Finding the Fourth Proportional to 3,070,157,592.77, 4,236,817,448.09 and 1,660,461,515.09
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Solution
The fourth proportional to 3,070,157,592.77, 4,236,817,448.09 and 1,660,461,515.09 is: 2,291,436,874.64
Step by Step Solution
- Step 1: Write the proportion equation
3,070,157,592.77 : 4,236,817,448.09 = 1,660,461,515.09 : x - Step 2: Convert to fraction form
3,070,157,592.77/4,236,817,448.09 = 1,660,461,515.09/x - Step 3: Cross multiply
3,070,157,592.77x = 4,236,817,448.09 × 1,660,461,515.09 - Step 4: Simplify right side
3,070,157,592.77x = 7,035,072,319,015,268,352 - Step 5: Solve for x
x = 7,035,072,319,015,268,352/3,070,157,592.77 - Step 6: Final answer
x = 2,291,436,874.64
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.